| 老挝甘蒙省晚白垩世农波组孢粉组合及其对成盐环境的指示意义 |
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| 引用本文： | 秦占杰,袁秦,魏海成,盛淑蓉,山发寿.老挝甘蒙省晚白垩世农波组孢粉组合及其对成盐环境的指示意义[J].地球学报,2013,34(5):638-642. |
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| 作者姓名： | 秦占杰 袁秦 魏海成 盛淑蓉 山发寿 |
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| 作者单位： | 中国科学院青海盐湖研究所盐湖资源与化学重点实验室;中国科学院大学;中国科学院青海盐湖研究所盐湖资源与化学重点实验室;中国科学院青海盐湖研究所盐湖资源与化学重点实验室;中国科学院青海盐湖研究所盐湖资源与化学重点实验室;中国科学院大学;中国科学院青海盐湖研究所盐湖资源与化学重点实验室 |
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| 基金项目： | 国家“973”计划项目“中国陆块海相成钾规律及预测研究”(编号: 2012CB403006) |
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| 摘 要： | 通过对沙空那空盆地东南缘农波坳陷中龙湖钾盐矿区钻孔LH01岩芯三个含盐段上覆泥岩层孢粉分析, 自下至上得到Exesipollenites-Classopllis-Ephedripites和Psophosphaera-Classopllis-Exesipollenites两个孢粉组合, 并根据孢粉组合特征得出三个含盐段成盐地质时代为晚白垩世土伦—桑顿期; 另孢粉组合反映的植被景观面貌证实了该区在成盐期间气候总体炎热干旱, 最终形成以蒸发岩与泥岩交替出现的三个沉积循环序列, 其上泥岩层中孢粉组合的变化说明第三成盐旋回期间气候有转凉迹象。
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| 关 键 词： | 老挝 农波组 孢粉组合 龙湖矿区 晚白垩世 |
Sporo-pollen Assemblages of the Late Cretaceous Nong Bok Formation in Khammouane, Laos, and Their Environmental Significance for Salt Formation |
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| QIN Zhan-jie,YUAN Qin,WEI Hai-cheng,SHENG Shu-rong and SHAN Fa-shou.Sporo-pollen Assemblages of the Late Cretaceous Nong Bok Formation in Khammouane, Laos, and Their Environmental Significance for Salt Formation[J].Acta Geoscientia Sinica,2013,34(5):638-642. |
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| Authors: | QIN Zhan-jie YUAN Qin WEI Hai-cheng SHENG Shu-rong and SHAN Fa-shou |
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| Institution: | Key Laboratory of Salt Lake Resources and Chemistry, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences;University of Chinese Academy of Sciences;Key Laboratory of Salt Lake Resources and Chemistry, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences;Key Laboratory of Salt Lake Resources and Chemistry, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences;Key Laboratory of Salt Lake Resources and Chemistry, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences;University of Chinese Academy of Sciences;Key Laboratory of Salt Lake Resources and Chemistry, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences |
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| Abstract: | Sporo-pollen Assemblages of the Late Cretaceous Nong Bok Formation in Khammouane, Laos, and Their Environmental Significance for Salt Formation |
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| Keywords: | Laos Nong Bok Formation spore-pollen assemblages Longhu mining area Late Cretaceous |
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